Negative / Null Result ReportMedicine
Liu FQ, Ren LN, Zhou XR et al. · 2026 · Gastrointestinal endoscopy
Background and aims This multicenter retrospective cohort study aims to evaluate the efficacy and safety of sphincter-sparing pre-closure technique-assisted endoscopic papillectomy (EP) versus conventional EP for duodenal papilla adenomas.…
View details →Negative / Null Result Report
Anundson J, Lee L, Bae S et al. · 2026 · Preprint
Abstract Introduction: Lumbar fusion alters spinal biomechanics and may increase hip loading, especially with long-segment constructs. We used a large administrative database to evaluate hip fracture risk after lumbar fusion and assess…
View details →Negative / Null Result ReportOpen accessMedicine
Minoji S, Ishikura H, Kudo M et al. · 2026 · Archives of orthopaedic and trauma surgery
Background Perceived leg length discrepancy (pLLD) is a common source of dissatisfaction after total hip arthroplasty (THA), even in the absence of significant radiographic discrepancies. While spinopelvic factors have been increasingly…
View details →Negative / Null Result ReportMedicine
Hirakawa-Ueno K, Makino K, Fukumori R et al. · 2026 · Research in veterinary science
This study evaluated insulin sensitivity and serum pepsinogen in dairy cows from herds with high and low risk for displaced abomasum (DA) across different lactation stages. Blood samples and body condition scores (BCS) were collected from…
View details →Negative / Null Result ReportMedicine
Promsut W, Chalalai T, Saechue B et al. · 2026 · BMC veterinary research
Background Time-of-day-related physiological variation may influence immune, oxidative, and endocrine responses to surgical stress. This study evaluated the effects of morning versus afternoon surgical castration on inflammatory cytokine…
View details →Negative / Null Result ReportOpen accessMedicine
Paolini A, Serpieri M, Bonaffini G et al. · 2026 · Animals : an open access journal from MDPI
This retrospective study compared three ultrasound-guided locoregional techniques-transversus abdominis plane (TAP), quadratus lumborum (QL), and caudal thoracic paravertebral (C-TPV) blocks-in dogs undergoing laparoscopic ovariectomy.…
View details →Negative / Null Result ReportMedicine
Howick V JF, Lugo-Fagundo NS, Umadat G et al. · 2026 · Journal for healthcare quality : official publication of the National Association for Healthcare Quality
Objective To evaluate patient-reported experiences after interhospital transfer (IHT) within an integrated health system and identify communication and coordination domains associated with overall satisfaction. Methods This retrospective…
View details →Negative / Null Result ReportMedicine
Thanapongpibul C, Niransuk P, Sassanarakkit S et al. · 2026 · Scientific reports
Microfluidic sperm selection (MSS) is a centrifugation-free alternative to density gradient centrifugation (DGC) for sperm preparation in intracytoplasmic sperm injection (ICSI). This prospective, randomized sibling-oocyte study included…
View details →Negative / Null Result ReportMedicine
Yildiz A, Yazici S, Yildiz Z · 2026 · BMC cardiovascular disorders
Objectives This study aimed to evaluate whether peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) could serve as a marker of myocardial ischemia by examining its association with cross-clamp time, which reflects…
View details →Negative / Null Result ReportMedicine
Patel N, Sajjadi A, Park A et al. · 2026 · The Laryngoscope
Objective To compare operative metrics, postoperative complications, and radiographic osseous union among surgeon-specific plates (SSPs), patient-specific plates (PSPs), and conventional un-bent plates (CPs) in microvascular mandibular…
View details →Negative / Null Result ReportMedicine
Ibelings S, Brand T, Holube I · 2026 · International journal of audiology
Objective Compilation and evaluation of test lists for the synthesised speech test "Oldenburg Phrases" (OLPHRA), consisting of semantically meaningful phrases with the fixed structure article - adjective - noun - infinitive. Design Lists…
View details →Negative / Null Result ReportOpen accessMedicine
Yamada SM · 2026 · Surgical neurology international
Background When low-flow oxygen (O2) delivery is required, a nasal cannula is commonly used. However, no reports have described arterial blood gas analysis in actual patients receiving O2 simultaneously through a mask and a nasal cannula.…
View details →Negative / Null Result ReportMedicine
Uygun SS, Ozturk M, Soylu H et al. · 2026 · BMC pediatrics
Background Premature birth is associated with a high risk of mortality and neurodevelopmental morbidity, with intraventricular hemorrhage (IVH) remaining a major cause of brain injury in preterm infants. Neuroprotective care bundles…
View details →Negative / Null Result ReportMedicine
Feng H, Gu J, Zhang J et al. · 2026 · Obesity surgery
Background Laparoscopic sleeve gastrectomy (LSG) provides durable, stable weight loss and ameliorates renal dysfunction, hyperuricemia (HUA), and other obesity-related metabolic disorders. Renal function is tightly linked to serum uric…
View details →Negative / Null Result ReportMedicine
Gourgouta M, Athanassiou CG, Arthur FH et al. · 2026 · Journal of economic entomology
This study evaluated the effects of sorghum variety and temperature on the population growth, frass production, kernel damage, and weight loss caused by Oryzaephilus surinamensis (L.) and Trogoderma variabile, Ballion, two common…
View details →Negative / Null Result Report
Keon-Cohen ZM, Tran C, Jones D et al. · 2026 · Preprint
Abstract Background High-quality end-of-life care (EOLC) is a recognised health and human-rights priority, yet Australian evidence largely derives from administrative data and cancer-specific, facility-based samples. Little is known about…
View details →Negative / Null Result ReportMedicine
An N, Watanabe D, Miyachi M · 2026 · European journal of applied physiology
Purpose Excess post-exercise energy expenditure (EPEEE) refers to sustained elevation in energy expenditure above resting levels after exercise. This study compared the effect of morning (AM) and evening (PM) resistance exercise on EPEEE,…
View details →Negative / Null Result ReportMedicine
Liu R, Zhang H, Liu C et al. · 2026 · Communications biology
Everyday speech perception often occurs under concurrent cognitive demands, but it remains unclear how speech-extrinsic load influences the neural processing of continuous speech. Here, electroencephalography (EEG) recordings from 29…
View details →Negative / Null Result ReportOpen accessMedicine
van Vliet KE, Lobbezoo F, van Splunter AP et al. · 2026 · BMC oral health
BACKGROUND: We hypothesized that wearing a mouthguard may affect salivary flow and composition. Therefore, we investigated the impact of mouthguard use on saliva secretion rate and some salivary constituents under different jaw activities.…
View details →Negative / Null Result Report
Medina-Marino A, Shrader C, Axt J et al. · 2026 · Preprint
Abstract Background In sub-Saharan Africa, men with HIV and/or tuberculosis (TB) report negative experiences within health services and demonstrate poorer engagement and treatment outcomes compared to women. We developed and piloted an…
View details →Negative / Null Result Report
Sönmez ÖA, Demirayak B, Bolat S et al. · 2026 · Preprint
Abstract Purpose To evaluate retinal microvascular changes in pediatric patients with systemic hypertension compared with healthy controls using optical coherence tomography (OCT) and optical coherence tomography angiography (OCTA).…
View details →Negative / Null Result Report
Limphatcharaporn T, Sinsurin K, Sakulsriprasert P et al. · 2026 · Preprint
Abstract Purpose of the study: to examine the immediate effect of specific warm-up and static stretching on cardiovascular response and oxygen consumption during a 5 km treadmill run using a randomized controlled trial. Method: twenty…
View details →Negative / Null Result Report
Králik R, Takácsová E, Durdík Š et al. · 2026 · Preprint
Abstract Background The clinical relevance of the BRAF V600E mutation in the surgical management of early-stage differentiated thyroid carcinoma (DTC) remains unclear. Although common in papillary thyroid carcinoma, its role in guiding…
View details →Negative / Null Result ReportMedicine
Takatori N, Uchiyama Y, Ito H et al. · 2026 · Journal of tissue viability
Background Intraoperative pressure-related skin injuries remain a concern during surgery under general anaesthesia. Although interface pressures have been evaluated in various surgical positions, sacral pressure in the beach-chair position…
View details →Negative / Null Result Report
Yokoyama T, Uchino T, Yazawa Y et al. · 2026 · Preprint
Abstract Background Oral semaglutide, a glucagon-like peptide-1 receptor agonist, improves glycemic control and reduces body weight in patients with type 2 diabetes. Although proton pump inhibitors (PPIs) have been reported to slightly…
View details →Negative / Null Result ReportMedicine
Harun AS, Shikder AHMZH, Moni SD et al. · 2026 · Journal of oral rehabilitation
Background Migraine has been associated with altered nociceptive processing and may influence the clinical presentation of odontogenic pain. This study evaluated whether migraine is associated with preoperative endodontic pain,…
View details →Negative / Null Result ReportMedicine
Zhan C, Liu S, Kang W et al. · 2026 · Environmental pollution (Barking, Essex : 1987)
Black carbon (BC) is an important component of soil organic carbon (SOC), with implications for carbon sequestration and environmental quality, yet its variability across contrasting urban systems remains insufficiently understood. This…
View details →Negative / Null Result ReportMedicine
Aydilek A, Erdem Y · 2026 · BMC surgery
Background Posterior malleolar fractures accompanying trimalleolar ankle injuries may compromise joint stability and lead to long-term functional impairment. However, the impact of posterior malleolar fragment (PMF) size on postoperative…
View details →Negative / Null Result ReportMedicine
Urashima T, Yabuno T, Imanishi K et al. · 2026 · Surgical endoscopy
Background Few studies have directly compared the incidence of primary postoperative ileus (primary POI) between robotic surgery (RS) and laparoscopic surgery (LS) for rectal resection. Methods This retrospective cohort study included…
View details →Negative / Null Result Report
Olson-Manning CF, Acharya S, Matuck L et al. · 2026 · Preprint
Abstract Plant hybridization often alters herbivore-relevant traits, yet the effects of hybrid feeding on specialist herbivores, especially those that co-opt host-plant defenses, are largely unknown. We examined how naturally derived…
View details →